Release 08/2014 - Spectroquant
®
Multy
Add 1 level yellow micro-
spoon each of NO
3
-1K
into two reaction cells,
close with the screw cap.
114542
Cell Test
Measuring range: 0.5 – 15.0 mg/l NO
3
-N 16-mm
cell
2.2 – 66.4 mg/l NO
3
16-mm cell
Nitrate
Shake both cells vigor-
ously for 1 minute to
dissolve the solid sub-
stance.
Add to one cell very
slowly 1.5 ml of the
sample with pipette,
close with the screw
cap, and mix briefly.
Caution, cell becomes
very hot !
Add to the second cell
very slowly 1.5 ml of
distilled water with pi-
pette, close with the
screw cap, and mix
briefly.
Caution, cell becomes
very hot !
(Blank cell)
Select method 3 2 0 .
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Reaction time:
10 minutes
Press Enter to start
the countdown.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) we recommended to use
Spectroquant
®
CombiCheck 20, Cat.No. 114675, or the
Standard solution for photometric applications, CRM, Cat.
No. 125037.
Ready-for-use nitrate standard solution Certipur
®
,
Cat.No. 119811, concentration 1000 mg/l NO
3
–
, can also
be used after diluting accordingly.
To check for sample-dependent effects the use of addition
solutions (e.g. in CombiCheck 20) is highly recommended.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
